Why not build one (a startup) around iTunes' video podcast library?
Allow podcasters to opt-in to a web interface to video podcasts–integrate mid/pre-roll ads and split the revenue with the content providers. Allow viewers to set their favorite channels and be notified when new episodes are available.
For the "friendly set of content providers", help them create a workflow that gets the content to you as easily as possible.
What are the best lawyers required if you're working directly with the content creators? (assuming they don't already have existing contracts)
Allow podcasters to opt-in to a web interface to video podcasts–integrate mid/pre-roll ads and split the revenue with the content providers. Allow viewers to set their favorite channels and be notified when new episodes are available.
For the "friendly set of content providers", help them create a workflow that gets the content to you as easily as possible.
What are the best lawyers required if you're working directly with the content creators? (assuming they don't already have existing contracts)